Whether occurring naturally or synthetically,
beta-agonists are classified as phenethanolamines based on their chemical structure. Other specificities of structure determine the exact behavior of the compound in animals. ...

Three experiments were conducted to determine
effects of ractopamine-HCl, sold under the trade name Optaflexx, on rumen fermentation.
In experiment 1, fermentative gas production was measured in vitro to determine the ...